On Monday, 19 September 2016 at 14:22:16 UTC, Steven
Schveighoffer wrote:
On 9/19/16 7:27 AM, Lodovico Giaretta wrote:
What I'd like to know: is this usage widespread? Should we
forbid it for
the sake of security?
No. There is no security concern here. You are dereferencing a
null pointer, which is perfectly safe.
-Steve
Ok, wrong wording. I meant "should we forbid it to avoid long
hours of debugging and unexpected behaviours? One uses emplace
expecting that it Just Works(TM), which is not true for nested
things."